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| 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
|---|---|
| 2 | #ifndef _NFNETLINK_LOG_H |
| 3 | #define _NFNETLINK_LOG_H |
| 4 | |
| 5 | /* This file describes the netlink messages (i.e. 'protocol packets'), |
| 6 | * and not any kind of function definitions. It is shared between kernel and |
| 7 | * userspace. Don't put kernel specific stuff in here */ |
| 8 | |
| 9 | #include <linux/types.h> |
| 10 | #include <linux/netfilter/nfnetlink.h> |
| 11 | |
| 12 | enum nfulnl_msg_types { |
| 13 | NFULNL_MSG_PACKET, /* packet from kernel to userspace */ |
| 14 | NFULNL_MSG_CONFIG, /* connect to a particular queue */ |
| 15 | |
| 16 | NFULNL_MSG_MAX |
| 17 | }; |
| 18 | |
| 19 | struct nfulnl_msg_packet_hdr { |
| 20 | __be16 hw_protocol; /* hw protocol (network order) */ |
| 21 | __u8 hook; /* netfilter hook */ |
| 22 | __u8 _pad; |
| 23 | }; |
| 24 | |
| 25 | struct nfulnl_msg_packet_hw { |
| 26 | __be16 hw_addrlen; |
| 27 | __u16 _pad; |
| 28 | __u8 hw_addr[8]; |
| 29 | }; |
| 30 | |
| 31 | struct nfulnl_msg_packet_timestamp { |
| 32 | __aligned_be64 sec; |
| 33 | __aligned_be64 usec; |
| 34 | }; |
| 35 | |
| 36 | enum nfulnl_vlan_attr { |
| 37 | NFULA_VLAN_UNSPEC, |
| 38 | NFULA_VLAN_PROTO, /* __be16 skb vlan_proto */ |
| 39 | NFULA_VLAN_TCI, /* __be16 skb htons(vlan_tci) */ |
| 40 | __NFULA_VLAN_MAX, |
| 41 | }; |
| 42 | |
| 43 | #define NFULA_VLAN_MAX (__NFULA_VLAN_MAX + 1) |
| 44 | |
| 45 | enum nfulnl_attr_type { |
| 46 | NFULA_UNSPEC, |
| 47 | NFULA_PACKET_HDR, |
| 48 | NFULA_MARK, /* __u32 nfmark */ |
| 49 | NFULA_TIMESTAMP, /* nfulnl_msg_packet_timestamp */ |
| 50 | NFULA_IFINDEX_INDEV, /* __u32 ifindex */ |
| 51 | NFULA_IFINDEX_OUTDEV, /* __u32 ifindex */ |
| 52 | NFULA_IFINDEX_PHYSINDEV, /* __u32 ifindex */ |
| 53 | NFULA_IFINDEX_PHYSOUTDEV, /* __u32 ifindex */ |
| 54 | NFULA_HWADDR, /* nfulnl_msg_packet_hw */ |
| 55 | NFULA_PAYLOAD, /* opaque data payload */ |
| 56 | NFULA_PREFIX, /* string prefix */ |
| 57 | NFULA_UID, /* user id of socket */ |
| 58 | NFULA_SEQ, /* instance-local sequence number */ |
| 59 | NFULA_SEQ_GLOBAL, /* global sequence number */ |
| 60 | NFULA_GID, /* group id of socket */ |
| 61 | NFULA_HWTYPE, /* hardware type */ |
| 62 | NFULA_HWHEADER, /* hardware header */ |
| 63 | NFULA_HWLEN, /* hardware header length */ |
| 64 | NFULA_CT, /* nfnetlink_conntrack.h */ |
| 65 | NFULA_CT_INFO, /* enum ip_conntrack_info */ |
| 66 | NFULA_VLAN, /* nested attribute: packet vlan info */ |
| 67 | NFULA_L2HDR, /* full L2 header */ |
| 68 | |
| 69 | __NFULA_MAX |
| 70 | }; |
| 71 | #define NFULA_MAX (__NFULA_MAX - 1) |
| 72 | |
| 73 | enum nfulnl_msg_config_cmds { |
| 74 | NFULNL_CFG_CMD_NONE, |
| 75 | NFULNL_CFG_CMD_BIND, |
| 76 | NFULNL_CFG_CMD_UNBIND, |
| 77 | NFULNL_CFG_CMD_PF_BIND, |
| 78 | NFULNL_CFG_CMD_PF_UNBIND, |
| 79 | }; |
| 80 | |
| 81 | struct nfulnl_msg_config_cmd { |
| 82 | __u8 command; /* nfulnl_msg_config_cmds */ |
| 83 | } __attribute__ ((packed)); |
| 84 | |
| 85 | struct nfulnl_msg_config_mode { |
| 86 | __be32 copy_range; |
| 87 | __u8 copy_mode; |
| 88 | __u8 _pad; |
| 89 | } __attribute__ ((packed)); |
| 90 | |
| 91 | enum nfulnl_attr_config { |
| 92 | NFULA_CFG_UNSPEC, |
| 93 | NFULA_CFG_CMD, /* nfulnl_msg_config_cmd */ |
| 94 | NFULA_CFG_MODE, /* nfulnl_msg_config_mode */ |
| 95 | NFULA_CFG_NLBUFSIZ, /* __u32 buffer size */ |
| 96 | NFULA_CFG_TIMEOUT, /* __u32 in 1/100 s */ |
| 97 | NFULA_CFG_QTHRESH, /* __u32 */ |
| 98 | NFULA_CFG_FLAGS, /* __u16 */ |
| 99 | __NFULA_CFG_MAX |
| 100 | }; |
| 101 | #define NFULA_CFG_MAX (__NFULA_CFG_MAX -1) |
| 102 | |
| 103 | #define NFULNL_COPY_NONE 0x00 |
| 104 | #define NFULNL_COPY_META 0x01 |
| 105 | #define NFULNL_COPY_PACKET 0x02 |
| 106 | /* 0xff is reserved, don't use it for new copy modes. */ |
| 107 | |
| 108 | #define NFULNL_CFG_F_SEQ 0x0001 |
| 109 | #define NFULNL_CFG_F_SEQ_GLOBAL 0x0002 |
| 110 | #define NFULNL_CFG_F_CONNTRACK 0x0004 |
| 111 | |
| 112 | #endif /* _NFNETLINK_LOG_H */ |
| 113 |
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